Toshiba NB305-N411BL User Manual - Page 83

Retaining data with power off, Extending battery life, Battery, DC IN, Battery type

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Power and Power-up Modes ■ How you use optional devices, such as a USB device, to which the battery supplies power. ■ Whether you enable Standby Mode, which can conserve battery power if you are frequently turning the computer off and on. ■ Where you store your programs and data. ■ Whether you close the display panel when you are not using the keyboard - closing the display saves power. ■ The environmental temperature - operating time decreases at low temperatures. ■ The condition of the battery terminals - you should always ensure the terminals stay clean by wiping them with a clean dry cloth before installing the battery pack. Retaining data with power off When you turn off your computer with fully charged batteries, the batteries retain data for the following approximate time periods. Battery type Battery pack RTC battery State and Retention Time 1 day for 6 cell, 0.5 day for 3 cell (Standby mode) 30 days for 3 cell, 60 days for 6 cell (shut down mode) 30 days Retention Time Extending battery life To maximize the life of your battery packs: ■ At least once a month, disconnect the computer from a power source and operate it on battery power until the battery pack fully discharges. Before doing so, follow the steps as detailed below. 1. Turn off the computer's power. 2. Disconnect the AC adaptor and turn on the computer's power - if it does not turn on then go to Step 4. 3. Operate the computer on battery power for five minutes. If you find that the battery pack has at least five minutes of operating time, continue operating until the battery pack is fully discharged, however, if the Battery indicator flashes or there is some other warning to indicate a low battery condition, go to Step 4. 4. Connect the AC adaptor to the DC IN 19V jack of the computer, and to a wall outlet that is supplying power. The DC IN indicator should glow green, and the Battery indicator should glow amber to indicate that the battery pack is being charged, however, in the event that DC IN indicator does not glow this indicates that power is not being supplied check the connections for the AC adaptor and the power cord. User's Manual 6-8

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User’s Manual
6-8
Power and Power-up Modes
■
How you use optional devices, such as a USB device, to which the
battery supplies power.
■
Whether you enable Standby Mode, which can conserve battery power
if you are frequently turning the computer off and on.
■
Where you store your programs and data.
■
Whether you close the display panel when you are not using the
keyboard - closing the display saves power.
■
The environmental temperature - operating time decreases at low
temperatures.
■
The condition of the battery terminals - you should always ensure the
terminals stay clean by wiping them with a clean dry cloth before
installing the battery pack.
Retaining data with power off
When you turn off your computer with fully charged batteries, the batteries
retain data for the following approximate time periods.
Retention Time
Extending battery life
To maximize the life of your battery packs:
■
At least once a month, disconnect the computer from a power source
and operate it on battery power until the battery pack fully discharges.
Before doing so, follow the steps as detailed below.
1.
Turn off the computer's power.
2.
Disconnect the AC adaptor and turn on the computer's power - if it does
not turn on then go to Step 4.
3.
Operate the computer on battery power for five minutes. If you find that
the battery pack has at least five minutes of operating time, continue
operating until the battery pack is fully discharged, however, if the
Battery
indicator flashes or there is some other warning to indicate a
low battery condition, go to Step 4.
4.
Connect the AC adaptor to the DC IN 19V jack of the computer, and to
a wall outlet that is supplying power. The
DC IN
indicator should glow
green, and the
Battery
indicator should glow amber to indicate that the
battery pack is being charged, however, in the event that
DC IN
indicator does not glow this indicates that power is not being supplied -
check the connections for the AC adaptor and the power cord.
Battery type
State and Retention Time
Battery pack
1 day for 6 cell, 0.5 day for 3 cell
(Standby mode)
30 days for 3 cell, 60 days for 6 cell
(shut down mode)
RTC battery
30 days